Jefferies says other bidders may emerge for SalixJefferies says it could envision other bidders emerging for Salix (SLXP) and points out recent media reports have suggested Shire (SHPG) and Endo (ENDP) have considered making a bid for the company. It lists AstraZeneca (AZN) and Takeda as others who could have possible interest in Salix. The firm believes Valeant (VRX) could afford to pay more for Salix should other bidders emerge.